Movement and amplification of exciton condensed phase pulses and interaction between pulses in semiconductor quantum wells |
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Authors: | O.I. Dmytruk V.I. Sugakov |
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Affiliation: | 1. Taras Shevchenko National University of Kyiv, 2, Prosp. Academician Glushkov, Kyiv 03022, Ukraine;2. Institute for Nuclear Research, National Academy of Sciences of Ukraine, 47, Prosp. Nauky, Kyiv 03680, Ukraine |
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Abstract: | Formation and movement of an exciton pulse in an inhomogeneous potential are studied. It is shown that the pulse does not blur and the maximum of the exciton density in the pulse remains constant during the exciton lifetime if the pulse is formed from the condensed phase. The path, traversed by the excitons, can be increased by imposing an additional laser pulse on the system. Thereby, such a system can be used for information transmission over the exciton condensed phase. |
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Keywords: | Indirect excitons Condensed phase Exciton pulse Amplification |
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